The song "Voice of Reason" by Underscores is about someone who realizes their importance and influence in someone else's life after it all falls apart. The lyrics suggest that the person singing the song was the voice of reason, the one who offered guidance and support to the other person. However, despite being the one they should have believed in, the other person didn't listen and now they are dealing with the consequences. The song implies that the person singing feels betrayed and frustrated because they could have helped prevent the downfall, but the other person chose to ignore their advice. There is a sense of resentment towards the other person for feeding into the negative aspects instead of heeding their voice of reason. Overall, "Voice of Reason" explores themes of trust, regret, and the realization of one's worth in a relationship or friendship. The lyrics express a desire for recognition and understanding from the other person, highlighting the importance of communication and valuing the voice of reason in our lives.